85683259 has 2 divisors, whose sum is σ = 85683260. Its totient is φ = 85683258.

The previous prime is 85683253. The next prime is 85683263. The reversal of 85683259 is 95238658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85683259 - 2³ = 85683251 is a prime.

It is a super-2 number, since 2×85683259² = 14683241745722162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85683251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42841629 + 42841630.

It is an arithmetic number, because the mean of its divisors is an integer number (42841630).

Almost surely, 2^85683259 is an apocalyptic number.

85683259 is a deficient number, since it is larger than the sum of its proper divisors (1).

85683259 is an equidigital number, since it uses as much as digits as its factorization.

85683259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 46.

The square root of 85683259 is about 9256.5252119788. The cubic root of 85683259 is about 440.8579317950.

The spelling of 85683259 in words is "eighty-five million, six hundred eighty-three thousand, two hundred fifty-nine".